Lenovo B4400 Laptop (English) User Guide - Page 44

Replacing the Mini PCI Express Card, Remove the screw that secures the Mini PCI Express Card

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Appendix. CRU (Customer Replaceable Units) instructions Replacing the Mini PCI Express Card To replace the Mini PCI Express Card, do the following: 1 Turn off the computer. Disconnect the AC power adapter and all cables from the computer. 2 Close the computer display and turn the computer over. 3 Remove the battery pack. 4 Remove the Hard disk drive/Memory/Mini PCI Express Card slot compartment cover. 5 Disconnect the two cables (one black, one white) a . a Note: The Mini PCI Express Card in select models may have only one cable (black). 6 Remove the screw that secures the Mini PCI Express Card b . b 40

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Appendix. CRU (Customer Replaceable Units) instructions
Replacing the Mini PCI Express Card
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the Mini PCI Express Card, do the following:
1
Turn off the computer. Disconnect the AC power adapter and all cables
from the computer.
2
Close the computer display and turn the computer over.
3
Remove the battery pack.
4
Remove the Hard disk drive/Memory/Mini PCI Express Card slot
compartment cover.
5
Disconnect the two cables (one black, one white)
.
6
Remove the screw that secures the Mini PCI Express Card
.
Note:
The Mini PCI Express Card in select models may have only one cable (black).
a
a
b
b